Process of Duplicating Phonograms, May 08, 1888
Item
- Title
- Process of Duplicating Phonograms, May 08, 1888
- Author
- Thomas A. Edison
- Date Executed
- 1888-03-03
- Date Filed
- 1888-03-08
- Date Issued
- 1888-05-08
- Type
- Patent Issued
- Subject
- Phonographs and Sound Recording
- Document ID
- PAT382419
- Rights
- Edison's patents are in the public domain and have been made available through the generosity of David Kovanen.
- Publisher
- The Thomas A. Edison Papers
- Related Materials
- Item Set PT032AAW-F